問題詳情

第 22 題至第 25 題為篇章結構，各題請依下文文意，從 4 個選項中選出最合適者，各題答案內容不重複      As scientists gain more knowledge about the causes of diseases, they make great progress in preventing,controlling, and curing them. 22 Many disease-causing microbes, in fact, are found in perfectly healthy hosts.       Infection is the presence of organisms within or upon the tissues of a host. 23 The term “parasite” usually refersto an organism that lives at the expense of the host. Disease may be regarded as some change affecting the normalfunctioning of an organism. 24        The human skin and breathing passages are alive with billions of microorganisms. Many of the bacteria, fungi,and viruses found in these areas are acquired shortly after birth. 25 Throughout the lifetime of an individual, he orshe continues to act as host to various kinds of microorganisms.
22
(A) Disease is due to disturbances or imbalances of body fluids.
(B) Life would be impossible without the activities of microorganisms.
(C) There are also microorganisms that infect the infant even before it is born.
(D) And they learn that infection and disease are not necessarily one and the same.

參考答案

答案：D
難度：適中0.45
統計：A(4),B(3),C(3),D(9),E(0)

內容推薦

內容推薦